Shmuzzle Puzzle - Sam Savage
Inspired by M.C. Escher's famous tessellation drawings, these salamanders interlock in multiple ways. Physical and online puzzles, a contest, history of the shmuzzle, resources for teachers, and other shmuzzle products.
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Shockwave Montessori Arithmetic Games - Our-Montessori
Materials designed to accompany a Montessori program, suitable for any student. A link to download Shockwave Player is included. Contents: Stamp Game - use with children ages 4-7 for addition and subtraction; Large Bead Frame - extends basic addition
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Shodor Education Foundation, Inc.
A non-profit research and education organization dedicated to the advancement of science and math education, specifically through the use of modeling and simulation technologies. Interactive middle school lessons aligned with curricula are available through
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Shooloo - Shooloo Inc.
At Shooloo, students "discover the joy of writing their own math stories" by publishing original word problems, constructing viable arguments, critiquing the reasoning of others, and modeling real life with mathematics. Shooloo then presents the resulting
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Sight Enhancement Systems
Manufacturers of large display scientific calculators with speech output, and of large display calculators that allow people with low vision to perform scientific, statistical and trigonometric calculations. Download brochures and manuals for the Sci-Plus
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Signing Apps - Vcom3D
Illustrated, interactive 3D sign language dictionaries and pictionaries. Vcom3D developed the Signing Math Dictionary (SMD), Signing Math Pictionary (SMP), and other apps for Deaf or Hard-of-Hearing students who use American Sign Language (ASL) or Signed
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SingaporeMath.com Inc.
Formerly "Family Things," this family business located in Oregon, USA provides information, sample pages, and ordering information for the Singapore mathematics and science curricula, with sample placement tests for the New Elementary Math Series, sample
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singingbanana.com - James Grime
YouTube videos, "lazy microblog," and social networking hub of Enigma Project Officer James Grime, who "hopes to explain to kids and general audiences why he love his maths so much, to challenge some of the public's misconceptions, and to explain why
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SINUS transfer - University of Bayreuth
Spurred by the outcome of the Trends in International Mathematics and Science Study (TIMSS), Germany launched a nation-wide "model programme for increasing efficiency in mathematics and science education." Between 1998 and 2007, more than 1800 of the
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Sites with Problems Administered by Others - Math Forum
Problems of the week or month: a page of annotated links to weekly/monthly problem challenges and archives hosted at the Math Forum but administered by others, and to problems and archives elsewhere on the Web, color-coded for the level(s) of the problems
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SketchMad - Nathalie Sinclair
An archived resource, not currently updated: A resource center devoted to using The Geometer's Sketchpad in the classroom. Includes tips, strategies, lesson plans, and sketches for beginning and intermediate Sketchpad teachers, stories from the classroom
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Slide-A-Round Math Manipulatives - Jim Franklin
These manipulatives feature movable, interchangeable slides for learning how to round whole numbers, decimals, and money; to identify equivalent fractions; to calculate elapsed time, and more. Manufactured in the U.S. of recycled plastic with steel reinforcement,
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Slinky Science - National Engineers Week Committee
Classroom activities include Racing Slinkys, which describes how inertia, gravity, potential energy, kinetic energy, and longitudinal waves are demonstrated when the Slinky "walks" down stairs or an incline; Slinky Waves, which outlines how Slinkys exhibit
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Sloan Digital Sky Survey
The astronomical surveys of the Sloan Digital Sky Survey (SDSS) have "obtained deep, multi-color images covering more than a quarter of the sky and created 3-dimensional maps containing more than 930,000 galaxies and more than 120,000 quasars." SDSS's
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Smartkiddies Mathematics - Andy Hobeika
Free interactive lessons, number challenge exercises, worksheets -- and visual reporting for instant feedback. To begin, select a year (one through seven, corresponding to Australia's curriculum), then a module, ranging from whole number to position &amp
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Smartkiddies Mathematics - Smartkiddies Mathematics
Video lessons, interactive activities, maths games, number challenge drills, worksheets, assessments. Developed by experienced Australian teachers--all content is based on the Australian curriculum. Free to all schools and teachers during school hours;
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SmartTutor.com - SmartTutor.com
SmartTutor.com offers online K-5th grade reading and math lessons. Math instruction includes number sense and operations, measurement, and geometry. The program begins with an evaluation of the child's skills followed by an individualized curriculum developed
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Smithsonian Institution
An independent trust instrumentality of the United States holding some 140 million artifacts and specimens in its trust for "the increase and diffusion of knowledge," and a center for research dedicated to public education, national service, and scholarship
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Snap Math - John and Eva McKendrick; Teilhard
A version of the children's game, but to win the cards, you have to do the math. Click on the pack at the left to start; when your card matches the computer's card, you are set a series of math problems. If you answer correctly, you win the cards.
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Snow Day Calculator - David Sukhin
Enter a ZIP code and number of school days already canceled there due to inclement weather, and the Snow Day Calculator predicts the probability of an early dismissal or no school the following day. Sukhin originally developed his predictive calculator
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Snowdays - Popular Front
Make your own snowflakes online: point and click to cut anywhere around or inside the folded piece of virtual paper. Preview the unfolded results in real time; when ready, save your design to the searchable gallery, where you may view and download plans
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